mirror of
https://github.com/golang/go
synced 2024-11-08 19:06:26 -07:00
37 lines
952 B
Go
37 lines
952 B
Go
|
// Copyright 2015 The Go Authors. All rights reserved.
|
||
|
|
// Use of this source code is governed by a BSD-style
|
||
|
|
// license that can be found in the LICENSE file.
|
||
|
|
|
||
|
|
// cgo rewrote C.var to *_Cvar_var, but left
|
||
|
|
// C.var.field as _Cvar.var.field. It now rewrites
|
||
|
|
// the latter as (*_Cvar_var).field.
|
||
|
|
// See https://golang.org/issue/9557.
|
||
|
|
|
||
|
|
package cgotest
|
||
|
|
|
||
|
|
// struct issue9557_t {
|
||
|
|
// int a;
|
||
|
|
// } test9557bar = { 42 };
|
||
|
|
//
|
||
|
|
// struct issue9557_t *issue9557foo = &test9557bar;
|
||
|
|
import "C"
|
||
|
|
import "testing"
|
||
|
|
|
||
|
|
func test9557(t *testing.T) {
|
||
|
|
// implicitly dereference a Go variable
|
||
|
|
foo := C.issue9557foo
|
||
|
|
if v := foo.a; v != 42 {
|
||
|
|
t.Fatalf("foo.a expected 42, but got %d", v)
|
||
|
|
}
|
||
|
|
|
||
|
|
// explicitly dereference a C variable
|
||
|
|
if v := (*C.issue9557foo).a; v != 42 {
|
||
|
|
t.Fatalf("(*C.issue9557foo).a expected 42, but is %d", v)
|
||
|
|
}
|
||
|
|
|
||
|
|
// implicitly dereference a C variable
|
||
|
|
if v := C.issue9557foo.a; v != 42 {
|
||
|
|
t.Fatalf("C.issue9557foo.a expected 42, but is %d", v)
|
||
|
|
}
|
||
|
|
}
|